Petrol car ignition system Volkswagen Sharan 1

General description and operation of the ignition system
The ignition system of a gasoline engine is designed to ignite the combustible mixture in the combustion chambers of the cylinders. Pic. 210. Elements of the ignition system on a...

Distributor. Ignition coil
On the 2.0-liter engine, the ignition distributor is installed in the cylinder block and is driven from the intermediate shaft. At the bottom of the distributor there is a Hall...

Ignition output stage
The ignition output stage is mounted on the 2.0 liter engine and the VR6 engine on the top cover of the high voltage transformer. It contains a transistor that turns on and off...

Engine crankshaft speed sensor
The ECU receives accurate information about the speed of the crankshaft from the engine speed sensor, which is mounted on the clutch housing above the flywheel, opposite the...

Knock sensor. Detonation adjustment
Knocking combustion occurs due to too early ignition timing. Prolonged detonation can cause severe damage to internal engine parts. However, in modern automotive industry, they...

Precautions when carrying out work on the repair of the ignition system
When carrying out repair and maintenance work on the ignition system, in order to avoid personal injury and damage to the system itself, observe the following precautions:...

Repair and maintenance of the ignition system
When cranking the engine with the HV wires removed, some elements of the fuel injection and ignition system may fail. To avoid this, before carrying out work on the repair and...

General check of the ignition system
Perform a general check in the following order: check the connections of the electrical wires and connectors of the high voltage transformer, the ignition output stage, the...

Checking the ignition coil
At the ignition coil, the resistance of the winding is checked, whether there is a short circuit between the windings and a breakdown of the insulation on «mass». Insulation...

Hall sensor and knock test
The Hall sensor on the VR6 engine is located at the front of the cylinder head. During normal operation, the engine electronics, based on the signal from the Hall sensor,...

Ignition distributor 2.0-liter engine
The ignition distributor of the 2.0-liter engine ensures that the ignition system supplies electrical current to the spark plugs in the correct sequence (1–3–4–2) and at the right...

Maintenance of the ignition distributor
The ignition distributor cap should be regularly checked for cracks, and cleaned inside and out of coal dust and moisture. In addition, the ignition distributor slider should be...

Removal and installation of the distributor of ignition
Remove the ignition distributor in the following order: remove the cover of the ignition distributor; Disconnect the Hall sensor connector from the ignition distributor. For what,...

Ignition distributor repair
The ignition distributor can only be repaired up to a certain limit. In most cases, it is advisable to replace it with a new one. If you need to replace the slider, then install...

2.0-litre ignition timing adjustment
The ignition of the 2.0-litre engine is controlled when the engine is idling. Adjustment refers primarily to the correct position of the ignition distributor, since it is he who...

Spark plugs — removal, installation and adjustment
The spark plugs have a thread diameter of 14 mm. The manufacturer recommends certain spark plugs, but spark plugs from other manufacturers with the appropriate calorific value can...

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